High-energy probes of the initial stages in heavy-ion collisions

About

The matter produced in heavy-ion collisions undergoes a multiphase evolution, providing unique access to a variety of QCD matter properties. Hard probes, which penetrate the medium and carry away imprints of different phases, serve as a key tool for studying this evolution. While their interaction with the medium in the very first moments after a collision was historically assumed to be negligible, recent studies suggest otherwise. In this talk, I will review how hard probes interact with nuclear matter from the earliest stages of a heavy-ion collision onward. Using jets as an example, I will discuss how they lose energy and how their substructure is modified during the pre-equilibrium phases, comparing these effects with their interactions in the later quark-gluon plasma stage. Understanding these early-time interactions provides new insights into the thermalization process and the microscopic structure of the QCD medium..

0:00:00 Slide 1

0:01:54 Slide 2

0:04:08 Slide 3

0:05:16 Slide 4

0:08:32 Slide 5

0:09:38 Slide 6

0:11:15 Slide 7

0:13:09 Slide 8

0:14:42 Slide 9

0:17:43 Slide 10

0:18:48 Slide 11